Cisco Switching/Routing :: Configure 2951 And 2921 In HSRP?

May 28, 2012

Is it possible to configure a Cisco2951 and a Cisco2921 in HSRP?

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Cisco Switching/Routing :: 2951 - HSRP Backup Taking Two Minutes When Switching Off Primary Router

Oct 7, 2012

I configure HSRP on Router 2951 as a primary router, and Router 2811 as backup router. But when I am switching off my Primary router the backup router is  taking 2 mins to take over form primary router. 
 
 [code]....

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Cisco Switching/Routing :: 3850 - Way To Configure HSRP

Mar 3, 2013

I just started a evaluation license for IP Base on my 3850 switches. But i can't configure HSRP cause the commands are not there (I rebooted allready). Do you need enterprise for HSRP on the 3850?

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Cisco Switching/Routing :: 3850 Cannot Configure HSRP Cause The Commands Are Not There

Jun 7, 2012

I just started a evaluation license for IP Base on my 3850 switches. But i can't configure HSRP cause the commands are not there (I rebooted allready). Do you need enterprise for HSRP on the 3850?

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Cisco Switching/Routing :: Configure 2951 To Send Logs To Kiwi Syslog Server?

Dec 21, 2011

I have configured my 2951 router to send logs to my Kiwi syslog server like below.

#logging 10.20.20.52
 
But I am not receiving any logs from my router, the same has configured on my asa5520 and its sending logs.

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Cisco Switching/Routing :: How To Configure 2921 With EtherSwitch

Jun 10, 2012

configuring up a 2921 router for remote site which is fitted with 24 port Etherswitch module.As part of this setup I have defined 3 vlans on the router, but when I go onto etherswitch and for example set switchport access to access vlan 3 it is not aware of this vlan.Do I have to set up trunk inbetween Router and its etherswitch?Wish I had ordered seperate switch as it would have been easier or am I missing something.sho vlan-switch shows my vlans but on swicth sho vlan brief does not.

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Cisco Switching/Routing :: 3750 How To Configure HSRP In Client Location

Apr 9, 2013

How to configure hsrp in my client location.They have 1 no of router and 2 no of 3750 switch.they need to configure Hsrp in switch.

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Cisco Switching/Routing :: To Configure Multiple LAN Ports On Router With Same 2921

Mar 10, 2013

I have 2921 router and I have 3 very basic switches that I need to connect to the router. The switches have very basic default configurations and there is no way to edit them, so I only have one VLAN and one default gateway. I can't assign the same IP address to each LAN port. I'm not sure how to make this setup work.

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Cisco Switching/Routing :: 2951 Router Not Able To Connect?

Apr 29, 2012

on-plus see the device and allows CPE( imbedded) to start then never opens,,,tried genera connection and used that address supplied to open CCP    no discovery.also seems onplus doesn't see a service contract or firmware, etc              

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Cisco Switching/Routing :: 7609 For Switching / Based On LAN (VRRP / HSRP) Feature

Oct 18, 2011

I am facing an isssues with 7609 for LAN switching , based on  LAN (VRRP/HSRP) feature.Actually  we are having ES+ cards (on 7609) and we are using multiple groups(say  350 vrrp groups) running on the router . the routers are connected as router 1>>> mux(which is working as switches)>>> router2

my questing are

1.  does their will be "multicast packets" (for VRRP/HSRP group) "from backup  router to Master router", when in stable state( ie when Master and  backup are already chosen) , or the packet from backup to master should  be unicast.I know for sure, the packet from master to back is multicast packets denstination to Multicast IP packet and To MAC address.I am not sure but I think from backup to master it should be multicast
 
2. what is frequency of these packets( from backup to master)
 
3.  As i have multiper group on a single interface ( we are using q-in-q),  when the connectivity from router's is broken, then does all the groups  will muticast their active roll in the lan sengment "at once" or it will  be in a groups say 100 groups at once, and after few ms few 100's and  sone ( as is on OSPF or RIP)
 
we are in between troubleshooting I hope we get the ans( Actul problem we are seeing in the router's that we have 2 ports on active routers and 2 ports on standby router , but we are not seeing muticast on 1 port on standby router where as all other 3 ports are seeing multicast packets) [code]

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Cisco Switching/Routing :: Switch Module Install For 2951?

Sep 3, 2012

Any doc for installing the a PoE switch module for a 2951? I find alot about the 2951 PoE Power supply but nothing for the switch module.

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Cisco Switching/Routing :: Setting Up Switch Module On 2951?

Sep 18, 2012

I'm trying to set up a 2951 with a 24 port switch module. I want the ports to act similiarly to the ports on an 881 router - where I assign the VLANs on the router and I set the VLANs to the switchport interfaces.I would like to be able to create the VLANs on the router portion of the 2951 and then, enter the switch module and configure the Ports to the VLANs but, how do I logically connect router to the switch? Is it an internal logical interface - meaning how are the VLANs getting from the router to the switch?

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Cisco Switching/Routing :: Throughput 3560 Versus 2951

Oct 29, 2012

I see the throughput of a ISR is 296.96 Mbps how would this compare to a 3560 if the figure is 38.7Mpps?
 
What would the throughput of a 3560 be in Mbps?

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Cisco Switching/Routing :: To Prioritize Traffic 1941 And 2951

Jul 1, 2012

We need to give TCP 3389 & 3399 priority over all other traffic between a Cisco 1941 and 2951.What is needed to do this?

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Cisco Switching/Routing :: Obtain Lastest IOS For New Router 2951?

Jan 11, 2012

We have purchased a new 2951 router with IOS version 2951-universalk9-mz.SPA.150-1 and we would like to upgrade to c2951-universalk9-mz.SPA.152-2.T.bin.

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Cisco Switching/Routing :: How To Wipe 2000+ 2951 Routers

Sep 4, 2012

My  company is doing an nationwide upgrade of it's leased 2951 routers. For  security sake I need to wipe everyone of them before being sending them  back to the leasing company. I would like to somehow boot to a USB  drive and call it a day.

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Cisco Switching/Routing :: 2951 / 2 Leased Lines In LAN Network

Oct 24, 2011

My current setup.
 
Layout:
 
Line01              Line02        
     |                    |
Cisco 2951     Cisco 2951
     ---------------------
               |
     Cisco 3750G - Server #1 & #2 for domain controller, sharepoint, etc
               |
     ---------------------
     |                    |
Cisco 2960     Cisco 2960
     | | | | | | | ... | | | | |
workstation #1, #2, .... #70
 
And I would like to ask some opinion on the best configuration for the above layout:

1. Configuration #1 - Using load sharing and automatic failover So I want to ask whether there's any link/url that provides details/guides on how to setup the load sharing and failover?
 
2. Configuration #2 - Workstations 1 - 35 will be routed through Line01 gateway and workstations 36 - 70 will be routed through Line02 As for this configuration, it's done now. However, I want to know whether there's any software (preferred web based application which allows me to change the gateway from line #1 to line #2 for all 70 computers instead of having to go to each workstation to update the gateway).

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Cisco Switching/Routing :: 3560E - HSRP Gateway Failover And Routing Table

Nov 12, 2012

We have two Cisco 3560E layer 3 switches at the core of our network. The switches are configured as an HSRP pair and the clients on our network point to the HSRP address as their default gateway. So if CORE-A dies, then CORE-B will pick up the address and the default route for the clients will continue to be available.We also need to specify a few static routes on the core switch to allow us to get to specific networks. Is there a way to do this so that the routes failover in the same way that the default gateway does?

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Cisco Switching/Routing :: 2921 Process Of Switching Infrastructure Of Firewalls / VPNs

Jul 4, 2012

We are in the process of switching our infrastructure of our routing/firewalls/vpns over to cisco.  We are switching our first location and one of the issues I'm struggling with is windows authentication pass-through for internally hosted web pages.  Meaning, user inside our network has the 2921 as their default gateway, they try to access a web page that is hosted on the internal network but is secured with windows authentication.  In the past, because they are logged into the domain internally, the website authenticates and loads.  After switching to the Cisco, it asks for a password even though they are logged in.
 
Because its the web server that actually authenticates I'm not sure why the router isn't allowing that to happen, but I can't think of anything else that could be causing this behavior.

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Cisco Switching/Routing :: Cannot Remove Embedded Service Engine Interface In 2951

Mar 5, 2012

I have removed an embbedded service engine modole from an 2951 router, after reboot the rouiter. the service engine interface still appears; any command can I use to completely remove it.

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Cisco Switching/Routing :: 2951 - IP Access-group In Command Not Allowing DHCP

Feb 27, 2013

I have a Cisco 2951 Router and I am trying to set it up to use DHCP and for security purposes I need to use the "IP Access-Group in" command. The DHCP will not work when I have this command on the interface that I need to run it through, DHCP works fine when I do not have the "IP Access-Group in" command in the configuration. When I check the log after the failed DHCP attempt it shows up as denied, as if it's being blocked. The IOS I have is c2951-UNIVERSALK9-m 15.0 (1) M3. Conf Reg 0x2102.

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Cisco Switching/Routing :: HSRP Between Three 6509 Switches?

Jan 8, 2012

I want to setup HSRP between three 6509 switches with a single virtual ip for all the three switches.
 
know if its possible and share any site or config.

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Cisco Switching/Routing :: IPv6 HSRP Implementation On IOS-XR 4.2.1

Nov 11, 2012

I'm looking to try and implement ipv6 HSRP on a series of IOS-XR Routers running 4.2.1 following on from successfully setting up IPv6 HSRP on a few cat6509s on VLAN Interfaces in other parts of the network. I have entered the "router hsrp" configuration menu and gone into the interface in question that I'm looking to setup with IPv6 HSRP. Unfortunately, there version 2 or address-family ipv6 commands are not available.

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Cisco Switching/Routing :: 6500 - HSRP Design And VSS

Apr 17, 2012

is it possible to run hsrp on two routers (not l3 switch) connected to a l2 switch ? if so does the two routers need a back to back connection ?
 
i know if use two l3 switches (instead of routers) and connect to a LAN switch then we need a back to back connection between the L3 switches
 
also can we use hsrp on vss on 6500?
 
design
 
 
1800 router                                       1800 ROuter
     |                                                        |
     |                                                        |
     |---------- L2 switch-------------------------------|
 
if the above design is acceptable how does the routers know which one is active and which one is standby ? if we need a direct connection between two routers they have to be on a seperate subnet and routers dont allow broadcasts - so how will hsrp work on routers ?
 
L3 switch --------------------------l3 switch
   |                                            |
   |                                            |
   |---------------L2 switch---------------|

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Cisco Switching/Routing :: 4900 HSRP For LAN Fail-over

Jan 23, 2012

Planning to implement HSRP in layer 3 switch.

We have two numbers of Cisco 4900 ME Switches. Basically want LAN failover from these devices. There are about 400 users in our network. I have attached rough network topology for your reference(I am not good at Microsoft Visio). Need to know implementation of the HSRP in these switches. Two distribution switches(Cisco 4900 ME Switches) are connected to 4 Access switches and these are connected to the LAN.

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Cisco Switching/Routing :: HSRP Flapping On 7604?

Jul 9, 2012

i have 2 cisco 7604 distrubution routers .Both routers are running 310 hsrp groups.
 
Sundenly there is hsrp flapping which causes high CPU.
 
What is the limitation of HSRP group on cisco 7604 router .Below is the show ver from the router
 
----------------- show version ------------------
Cisco IOS Software, c7600rsp72043_rp Software (c7600rsp72043_rp-ADVIPSERVICES-M), Version 12.2(33)SRC2, RELEASE SOFTWARE (fc2)

[Code]......

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Cisco Switching/Routing :: 3560x / HSRP On LAN And WAN Interface?

May 9, 2012

I currently use L3 switches as edge routers to my WAN. I want to use a pair of 3560x switches with IPbase to provide a failover path to my WAN using HSRP at one location but had some problems testing the configuration. My plan is use a virtual address on the LAN interface (VLANx which port gi0/1 accesses) and the WAN interface (VLANy which port gi0/24 accesses). I want switch 1 to be primary since it will have an IPS attached to it, and switch 2 will be backup and used only when switch 1 or the IPS requires maintenance. On both the LAN and WAN sides there is no advanced routing going on, the various hosts just depend on the availability of their respective default gateways, so HSRP should be sufficient to provide a failover in either direction.
 
In my testing I got 1 or the other link to fail over but not the entire switch. What should my config look like to achieve failover of the entire switch in the event 1 or the other interface goes down, and fail back when the primary links are again available?

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Cisco Switching/Routing :: 3945 - License To Run HSRP?

May 20, 2013

if the Cisco 3945 router requires any license for it to run HSRP. Also advise which IOS runs HSRP on the 3845 router. 

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Cisco Switching/Routing :: 6500 - HSRP Is Instable

Apr 14, 2013

n our datacenter we've implemented HSRP on 2 6500's for redundancy purposes. Both switches are connected via a trunk. When an interface is administratively brought up, HSRP becomes instable. Below some selective logging: 
 
12:58:01.759 CET: %HSRP-5-STATECHANGE: Vlan32 Grp 32 state Standby -> Active12:58:01.919 CET: %HSRP-5-STATECHANGE: Vlan21 Grp 21 state Standby -> Active12:58:02.031 CET: %HSRP-5-STATECHANGE: Vlan42 Grp 42 state Standby -> Active12:58:02.031 CET: %HSRP-5-STATECHANGE: Vlan18 Grp 18 state Standby -> Active12:58:02.223 CET: %HSRP-5-STATECHANGE: Vlan4 Grp 4 state Standby -> Active

Basically what happens, is that both switches becomes active and thus are forwarding traffic. After a few seconds all is back to normal. It seems they are missing each others "hello messages", so the state change is in this case normal outcome. What I can't figure out', is the root cause. Since it is triggered by bringing up an random interface configured as a dot1q trunk, I'm thinking of STP limits. But the limitations I found are 10.000 active STP logical ports and 1800 virtual ports per slot. In my case this is 2591 logical ports and all the virtual ports per slot are below 1800. This suggest the switch is capable of running this set-up without a problem.
 
Some extra information:-Sup 720 10GE-Version 12.2(33)SXH2a-No Vss used-No drops on trunked interfaces between the 2 core switches-83 standby groups (max256)
-R-PVST

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Cisco WAN :: Configure Backup Redundant Link On 2951 With IOS 15.0?

May 15, 2012

We have 6 sites which are connected through E1 links.All sites connected from HQs.
 
Site A is HQs. 
Sited B, C, D, E, and F are Branches.
 Site A is directly connected with site B, C, D and E.
 Site D is connected with Site F.
 
Now we have another redundant E1 link for site C and Site F.we are using Static Routes.i have configured Qualified-next-hope on Juniper Router but i am unable to configure IP SLA on Site C Cisco 2951 with IOS 15.0 router.is there another solution for my scenario plz share with me for Redundant Link.

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Cisco Switching/Routing :: HP C7000 / Nexus 5K - Locking Down HSRP ARP / MAC?

Mar 6, 2013

Had a Sev 1 issue today.  We have a bunch of Nexus 5ks connecting to some HP C7000 Chassis for the use of Virual environments.  Engineers build and tear down servers during the day, however today, an engineer configured a virtual machine accidently with its IP address as the default gateway.  Each pair of nexus switches has one physical SVI per vlan and a HSRP address for the vlan.  Of course this engineer configuring the server IP address as the HSRP address killed the vlan... which lead me onto think... are they are tried and tested techniques to protect this from happening on the switch.  Enforcing the ARP/MAC of the HSRP address and not allowing it to change or any other device to change it?

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Cisco Switching/Routing :: Nexus 5546 HSRP Not Formed

May 17, 2012

I have a paif of nexus 5548 configured VPC using the mgmt interface as heartbeat and 2x10G as peerlink. Peer-gateway is also configure on the vpc domain. I have 2 FEX straight thru connection to each Nexus'es. Created 2 VPC and both are up and no suspended vlans. Allowed VLANs in peerlink is 10,20,30,40 and 50. I configure SVI for VLAN 10 on both nexus 10.10.10.100/24 and 10.10.10.101/24 respectively. The problem is when I create HSRP on this VLAN 10 (vip 10.10.10.88), the hello packets are not heard by both nexus, thus both Nexus are acting as active with unknown standby. I can ping both vlan 10 from each Nexus. I tried deleting and putting back the config but no luck.I tried creating another SVI vlan 20 on both nexus and form hsrp, result is same as in vlan 10. I am running version 5.1 release on both nexus.

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Cisco Switching/Routing :: HSRP On Secondary IP Address - 2900

Feb 21, 2013

I have a few old 2600 routers (2621, different IOS's) which I'm now replacing for new one's from the 2900 series (2901, Version 15.1(4)M4).In my configuration I have two IP addresses in my LAN interface and I have HSRP configured within the secondary IP subnet range. It would be something like this:
 
interface GigabitEthernet0/1
ip address 172.x.x.x x.x.x.x secondary
ip address 10.z.z.z z.z.z.z

[Code].....
 
Now, in the new 2900 routers, my interface configuration hasn't changed however I can see that the hello packets are now sent with the source within the respective HSRP IP subnet so I had to edit my acl for that:
 
permit udp 172.x.x.x x.x.x.x host 224.0.0.2 eq 1985
 
Is there a way I can force the HSRP to work as it previously did in the old IOS's?

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